Central business districtA central business district (CBD) is the commercial and business centre of a city. It contains commercial space and offices, and in larger cities will often be described as a financial district. Geographically, it often coincides with the "city centre" or "downtown". However, these concepts are not necessarily synonymous: many cities have a central business district located away from its commercial and or cultural center and or downtown/city center, and there may be multiple CBDs within a single urban area.
Urban agricultureUrban agriculture refers to various practices of cultivating, processing, and distributing food in urban areas. The term also applies to the area activities of animal husbandry, aquaculture, beekeeping, and horticulture in an urban context. Urban agriculture is distinguished from peri-urban agriculture, which takes place in rural areas at the edge of suburbs. Urban agriculture can appear at varying levels of economic and social development.
CivilizationA civilization (British English: civilisation) is any complex society characterized by the development of the state, social stratification, urbanization, and symbolic systems of communication beyond natural spoken language (namely, a writing system). Civilizations are additionally characterized by other features, including agriculture, architecture, infrastructure, technological advancement, taxation, regulation, and specialization of labour.
TianjinTianjin (tjEn'dʒɪn; ; Mandarin: AUDzh-Tianjin.oggtian1.jin1), alternately romanized as Tientsin (ˈtjEn'tsɪn), is a municipality and a coastal metropolis in Northern China on the shore of the Bohai Sea. As such, it is not part of a province of China. It is one of the nine national central cities in Mainland China, with a total population of 13,866,009 inhabitants during the 2020 Chinese census.
Beijing city fortificationsThe Beijing city fortifications were series of walls with towers and gates constructed in the city of Beijing, China in the early 1400s until they were partially demolished in 1965 for the construction of the 2nd Ring Road and Line 2 of the Beijing Subway. The original walls were preserved in the southeastern part of the city, just south of the Beijing railway station. The entire perimeter of the Inner and Outer city walls stretched for approximately .
Urban sprawlUrban sprawl (also known as suburban sprawl or urban encroachment) is defined as "the spreading of urban developments (such as houses and shopping centers) on undeveloped land near a city". Urban sprawl has been described as the unrestricted growth in many urban areas of housing, commercial development, and roads over large expanses of land, with little concern for urban planning. In addition to describing a special form of urbanization, the term also relates to the social and environmental consequences associated with this development.
Urban reforestationUrban reforestation is the practice of planting trees, typically on a large scale, in urban environments. It may also include urban horticulture and urban farming. Reasons for practicing urban reforestation include urban beautification; increasing shade; modifying the urban climate; improving air quality, such as by sequestering carbon dioxide; and restoration of urban forests after a natural disaster. Increased shade from urban reforestation can also lead to decreased energy costs, as heat from the sun is blocked from heating structures that use air conditioning.
Place brandingPlace branding (includes place marketing and place promotion) is a term based on the idea that "cities and regions can be branded," whereby branding techniques and other marketing strategies are applied to "the economic, political and cultural development of cities, regions and countries." As opposed to the branding of products and services, place branding is more multidimensional in nature, as a 'place' is inherently "anchored into a history, a culture, an ecosystem," which is then incorporated into a network of associations, "linking products, spaces, organizations and people.
Commonwealth GamesThe Commonwealth Games is a quadrennial international multi-sport event among athletes from the Commonwealth of Nations. The event was first held in 1930, and, with the exception of 1942 and 1946 (cancelled due to World War II), have successively run every four years since. The event was called the British Empire Games from 1930 to 1950, the British Empire and Commonwealth Games from 1954 to 1966, and British Commonwealth Games from 1970 to 1974.
Cradle of civilizationA cradle of civilization is a location and a culture where civilization was created independent of other civilizations in other locations. The formation of urban settlements (cities) is the primary characteristic of a society that can be characterized as "civilized". Other characteristics of civilization include a sedentary non-nomadic population, monumental architecture, the existence of social classes and inequality, and the creation of a writing system for communication.
